115813272 has 32 divisors (see below), whose sum is σ = 298874880. Its totient is φ = 37358880.

The previous prime is 115813253. The next prime is 115813277. The reversal of 115813272 is 272318511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115813277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77088 + ... + 78575.

It is an arithmetic number, because the mean of its divisors is an integer number (9339840).

Almost surely, 2^115813272 is an apocalyptic number.

115813272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115813272 is an abundant number, since it is smaller than the sum of its proper divisors (183061608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115813272 is a wasteful number, since it uses less digits than its factorization.

115813272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155703 (or 155699 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 115813272 is about 10761.6574931560. The cubic root of 115813272 is about 487.4380681352.

The spelling of 115813272 in words is "one hundred fifteen million, eight hundred thirteen thousand, two hundred seventy-two".